问题
单项选择题 A1型题
下列哪种情况可引起猪带绦虫病（）
A.误食猪带绦虫虫卵
B.误食猪带绦虫孕节
C.误食猪带绦虫头节
D.误食猪带绦虫囊尾蚴
E.以上情况均可引起
答案
参考答案：D
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下列哪种情况可引起猪带绦虫病（）
A.误食猪带绦虫虫卵
B.误食猪带绦虫孕节
C.误食猪带绦虫头节
D.误食猪带绦虫囊尾蚴
E.以上情况均可引起
参考答案：D
 Once a farmer had some puppies to sell. He painted a(n)____ advertising the pups and set about nailing it to a post on the edge of his yard.____he was driving the last nail into the post，he felt a sudden pull on his trousers.He____down into the eyes of a little boy. “Mister，”he said，“I want to buy one of your puppies.” “Well，”said the farmer，as he rubbed the sweat off the back of his___，“these puppies come from fine parents and____ a good deal of money.” The boy____his head for a moment. Then reaching deep into his pocket，he pulled out a handful of____and held it up to the farmer. “I’ve got thirtynine cents. Is that enough to take a look？” “Sure，”said the farmer. And with that he____a whistle，“Here，Dolly！”he called. ____from the doghouse and down the road ran Dolly____by four little balls of fur. As the dogs made their____to the fence，the little boy noticed something else moving inside the doghouse.____another little ball appeared，this one noticeably smaller. The little pup began walking unsteadily toward the others，doing its best to____. “I want that one，”the little boy said，____at the runt (矮个子)． The farmer knelt down at the boy’s side and said，“Son，you____want that puppy. He will never be able to____and play with you as other dogs would.” With that the little boy____back from the fence，reached down，and began rolling up one leg of his____.In doing so he showed a steel brace(支柱) running down both sides of his leg attaching itself to a____made shoe. Looking back up at the farmer，he said，“You see，sir，I don’t run too well myself，and he will need someone who understands.” The____is full of people who need someone who understands.
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